package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.jacoco.agent.rt.internal_f3994fa.core.internal.flow.IFrame;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;


@Slf4j
@RestController
@RequestMapping("/category")
public class CategoryController {
    @Autowired
    private CategoryService categoryService;
    @Autowired
    private RedisTemplate redisTemplate;
    @PostMapping
    public R<String>save(@RequestBody Category category){
        categoryService.save(category);
        redisTemplate.delete("category");
        return R.success("添加分类成功");
    }
    @GetMapping("/page")
    public R<Page<Category>>page(Integer page,Integer pageSize){
        Page<Category> pageInfo = new Page<>(page, pageSize);
        QueryWrapper<Category> categoryQueryWrapper = new QueryWrapper<>();
        categoryQueryWrapper.orderByAsc("sort");
        categoryService.page(pageInfo,categoryQueryWrapper);
        redisTemplate.delete("category");
        return R.success(pageInfo);
    }
    @DeleteMapping
    public R<String>delete(Long id){
        //categoryService.removeById(id);
        categoryService.remove(id);
        redisTemplate.delete("category");
        return R.success("删除成功");
    }
    @PutMapping
    public R<String>update(@RequestBody Category category){
        categoryService.updateById(category);
        redisTemplate.delete("category");
        return R.success("修改分类信息成功");
    }
    @GetMapping("/list")
    public R<List<Category>>list(Integer type){
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(type != null,Category::getType,type);
        List <Category>list = redisTemplate.opsForList().range("category", 0, -1);
        if (null == list || list.size()==0){
            list=categoryService.list(queryWrapper);
            redisTemplate.opsForList().rightPushAll("category",list);

        }

        return R.success(list);
    }
}
